<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>用户界面内容索引页</title>
</head>
<body>
    <h1>Web用户界面</h1>
    <h2>信息A2051 20200202001 方钰华</h2>
    <!--Emmet语法学习-->
    <ul>
        <li>列表项1</li>
        <li>列表项2</li>
        <li>列表项3</li>
    </ul>
</body>
</html>